Run results for: Element append vs appendChild

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:146.0) Gecko/20100101 Firefox/146.0

Browser: Firefox 146

Operating system: Linux

Device Platform: Desktop

Date tested: 6 months ago

Element.appendChild()

6.1M/s

Element.append()

5.0M/s

View exact numbers

Test name	Executions per second
✓ Element.appendChild()	6,080,592 Ops/sec
Element.append()	5,014,488 Ops/sec

Script Preparation code:

var el1 = document.createElement('div')
var el2 = document.createElement('div')

var child1 = document.createElement('div')
var child2 = document.createElement('div')

Tests:

Element.append()
el1.append(child1)
Element.appendChild()
el2.appendChild(child2)